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49666010832 = 24325325512
BaseRepresentation
bin101110010000010100…
…110010111011010000
311202012022100202121200
4232100110302323100
51303203444321312
634452150551200
73405525061254
oct562024627320
9152168322550
1049666010832
111a077194049
129761068500
1348b68012b9
142592230264
15145a3c00dc
hexb90532ed0

49666010832 has 90 divisors (see below), whose sum is σ = 141673949586. Its totient is φ = 16236604800.

The previous prime is 49666010831. The next prime is 49666010851. The reversal of 49666010832 is 23801066694.

It can be written as a sum of positive squares in only one way, i.e., 45917632656 + 3748378176 = 214284^2 + 61224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49666010831) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19467957 + ... + 19470507.

Almost surely, 249666010832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49666010832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70836974793).

49666010832 is an abundant number, since it is smaller than the sum of its proper divisors (92007938754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49666010832 is an equidigital number, since it uses as much as digits as its factorization.

49666010832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 49666010832 in words is "forty-nine billion, six hundred sixty-six million, ten thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 53 72 106 144 159 212 318 424 477 636 848 954 1272 1908 2544 2551 3816 5102 7632 7653 10204 15306 20408 22959 30612 40816 45918 61224 91836 122448 135203 183672 270406 367344 405609 540812 811218 1081624 1216827 1622436 2163248 2433654 3244872 4867308 6489744 6507601 9734616 13015202 19469232 19522803 26030404 39045606 52060808 58568409 78091212 104121616 117136818 156182424 234273636 312364848 344902853 468547272 689805706 937094544 1034708559 1379611412 2069417118 2759222824 3104125677 4138834236 5518445648 6208251354 8277668472 12416502708 16555336944 24833005416 49666010832